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| International Standard Category: Cadmium, cobalt and their alloys |
GB/T 15076.11-1994 Methods for chemical analysis of tantalum and niobium-Determination of arsenic antimony,lead,tin and bismuth contents in niobium
钽铌化学分析方法 铌中砷、锑、铅、锡和铋量的测定 ;
| Category No.: | 77.120.70 | Valid Status: | superseded |
| Issued Organization: | 国家环境保护局 | Issued Date: | 1994-05-09 |
| Implemented Date: | 1994-1-2 | Abolished Date: | |
| Superseded Standard.: | GB/T 15076.11-2020 Methods for chemical analysis of tantalum and niobium—Part 11:Determination of arsenic,antimony,lead,tin and and bismuth contents in niobium—Direct current arc atomic emission spectrometry |
Superseded Date: | 2021-2-1 |
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